Finding the Fourth Proportional to 5,356,776.36, 7,391,201.28 and 3,182,052.72
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Solution
The fourth proportional to 5,356,776.36, 7,391,201.28 and 3,182,052.72 is: 4,390,549.57
Step by Step Solution
- Step 1: Write the proportion equation
5,356,776.36 : 7,391,201.28 = 3,182,052.72 : x - Step 2: Convert to fraction form
5,356,776.36/7,391,201.28 = 3,182,052.72/x - Step 3: Cross multiply
5,356,776.36x = 7,391,201.28 × 3,182,052.72 - Step 4: Simplify right side
5,356,776.36x = 23,519,192,137,091.48 - Step 5: Solve for x
x = 23,519,192,137,091.48/5,356,776.36 - Step 6: Final answer
x = 4,390,549.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.